Sandeep S wrote:

>Hi,
> Our customers are having Oracle 9.2 running on Suse AMD64 servers .
> For SGA to take advantage of hugepage , we have been configuring "
>vm.nr_hugepages" to accomodate the SGA .
> Since at times our customers might be having multiple Oracle databases
>running on same server,
>    is there any negative impact of having "vm.nr_hugepages" to high value
>.
>
>

  What all needs to be in place before your instances can
take advantage of this memory? I naievely attempted to set
this flag to a value large enough to fit a respectable SGA
into and all I did was cripple my db nodes. The memory was
effectively taken offline.

> For us setting a high huge page value will ensure that if a new database
>gets configured in future the new SGA will also be using
>   huge pages with out having to introduce any new changes .
>Regards
>
>Sandeep S
>
>
>


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